/* roulang page: index */
:root {
            --primary: #0B3B2C;
            --primary-dark: #07271D;
            --primary-light: #1C5C47;
            --gold: #C6A15B;
            --gold-light: #E6CFA0;
            --bg: #F6F3EC;
            --bg-dark: #0D1110;
            --card-bg: #FFFFFF;
            --ink: #14211C;
            --ink-2: #53625B;
            --line: rgba(11, 59, 44, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 8px rgba(11, 59, 44, 0.06), 0 12px 28px rgba(11, 59, 44, 0.08);
            --shadow-hover: 0 0 0 1px rgba(198, 161, 91, 0.3), 0 18px 40px rgba(11, 59, 44, 0.12);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Roboto", sans-serif;
            --container-max: 1200px;
            --section-pad: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--gold);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-pad {
            padding: var(--section-pad) 0;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 243, 236, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            height: 72px;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-left ul,
        .nav-right ul {
            display: flex;
            gap: 28px;
            margin: 0;
        }

        .nav-left a,
        .nav-right a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 0;
            position: relative;
            line-height: 1.4;
        }

        .nav-left a::after,
        .nav-right a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }

        .nav-left a:hover::after,
        .nav-right a:hover::after,
        .nav-left a.active::after,
        .nav-right a.active::after {
            width: 100%;
        }

        .nav-left a.active,
        .nav-right a.active {
            color: var(--gold);
        }

        .nav-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 50%;
            margin-top: -19px;
        }

        .nav-logo a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0;
        }

        .nav-logo .logo-dot {
            width: 30px;
            height: 30px;
            background: var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 800;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            position: absolute;
            right: 16px;
            top: 14px;
            z-index: 110;
            align-items: center;
            justify-content: center;
        }

        .menu-toggle svg {
            width: 24px;
            height: 24px;
            stroke: var(--ink);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 105;
            background: var(--bg);
            padding: 100px 40px 40px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav a {
            display: block;
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            padding: 14px 8px;
            border-bottom: 1px solid var(--line);
        }

        .mobile-nav a.active {
            color: var(--gold);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 96px 0 80px;
            overflow: hidden;
            color: #fff;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            mix-blend-mode: overlay;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border: 1px solid rgba(198, 161, 91, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            max-width: 580px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid rgba(198, 161, 91, 0.4);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 54px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero h1 span {
            color: var(--gold-light);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 12px rgba(198, 161, 91, 0.3);
        }

        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(198, 161, 91, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: border-color 0.2s, color 0.2s, background 0.2s;
        }

        .btn-outline:hover {
            border-color: var(--gold-light);
            color: var(--gold-light);
            background: rgba(198, 161, 91, 0.08);
        }

        .hero-trust {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-trust svg {
            width: 16px;
            height: 16px;
            stroke: var(--gold-light);
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            top: -12px;
            right: -12px;
            width: 180px;
            height: 180px;
            border-top: 2px solid var(--gold);
            border-right: 2px solid var(--gold);
            border-radius: 0 16px 0 0;
            z-index: 2;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: -12px;
            width: 120px;
            height: 120px;
            border-bottom: 2px solid var(--gold-light);
            border-left: 2px solid var(--gold-light);
            border-radius: 0 0 0 16px;
            z-index: 2;
        }

        /* ===== Stats ===== */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 40px 0;
            margin-top: -1px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .stat-item {
            text-align: center;
            padding: 8px 16px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: var(--line);
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 4px;
        }

        /* ===== Featured Grid ===== */
        .featured {
            padding: var(--section-pad) 0;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            gap: 24px;
        }

        .section-head h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--ink-2);
        }

        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .section-link:hover {
            color: var(--gold);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            padding: 24px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .featured-card.main-card {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            padding: 0;
            overflow: hidden;
        }

        .featured-card.main-card .card-img {
            height: 100%;
            max-height: 280px;
        }

        .featured-card.main-card .card-body {
            padding: 24px 24px 24px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
        }

        .card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.3s ease;
        }

        .featured-card:hover .card-img img {
            transform: scale(1.03);
        }

        .card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--gold);
            background: rgba(198, 161, 91, 0.12);
            padding: 4px 12px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .card-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .card-desc {
            font-size: 15px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-link:hover {
            color: var(--gold);
        }

        /* ===== About ===== */
        .about-section {
            padding: var(--section-pad) 0;
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .about-img {
            position: relative;
        }

        .about-img img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .about-img::before {
            content: '';
            position: absolute;
            top: -16px;
            left: 16px;
            width: 60%;
            height: 60%;
            background: var(--gold-light);
            border-radius: var(--radius-lg);
            opacity: 0.25;
            z-index: -1;
        }

        .about-content h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .about-content p {
            font-size: 16px;
            color: var(--ink-2);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .about-points {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        .about-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--ink);
        }

        .about-point svg {
            width: 20px;
            height: 20px;
            stroke: var(--gold);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== Testimonials ===== */
        .testimonials {
            background: var(--bg-dark);
            padding: var(--section-pad) 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .testimonials::before {
            content: '"';
            position: absolute;
            top: 40px;
            left: 40px;
            font-size: 200px;
            font-family: Georgia, serif;
            color: rgba(198, 161, 91, 0.15);
            line-height: 1;
        }

        .testimonials .container {
            position: relative;
            z-index: 2;
        }

        .testimonials h2 {
            text-align: center;
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 40px;
            color: #fff;
        }

        .orbit {
            max-width: 800px;
            margin: 0 auto;
        }

        .orbit-slide {
            text-align: center;
            padding: 0 40px;
        }

        .orbit-stars {
            color: var(--gold);
            font-size: 20px;
            letter-spacing: 4px;
            margin-bottom: 24px;
        }

        .orbit-quote {
            font-size: 20px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .orbit-author {
            font-size: 15px;
            color: var(--gold-light);
            font-weight: 600;
        }

        .orbit-author span {
            color: rgba(255, 255, 255, 0.5);
            font-weight: 400;
        }

        .orbit-controls button {
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color 0.2s, color 0.2s;
            font-size: 18px;
        }

        .orbit-controls button:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .orbit-bullets {
            text-align: center;
            margin-top: 24px;
            display: flex;
            justify-content: center;
            gap: 8px;
        }

        .orbit-bullets button {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
            padding: 0;
            cursor: pointer;
            transition: background 0.3s;
        }

        .orbit-bullets button.is-active {
            background: var(--gold);
            width: 24px;
            border-radius: 4px;
        }

        /* ===== Guarantee ===== */
        .guarantee {
            padding: var(--section-pad) 0;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .guarantee-item {
            text-align: center;
            padding: 24px 16px;
            border-bottom: 2px solid var(--gold-light);
            transition: border-color 0.2s;
        }

        .guarantee-item:hover {
            border-color: var(--gold);
        }

        .guarantee-item svg {
            width: 36px;
            height: 36px;
            stroke: var(--gold);
            margin-bottom: 16px;
        }

        .guarantee-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .guarantee-item p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.6;
        }

        /* ===== Latest News ===== */
        .latest-news {
            padding: var(--section-pad) 0;
            background: #FBF9F4;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .news-thumb {
            position: relative;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(198, 161, 91, 0.92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            z-index: 2;
        }

        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .news-title a {
            color: inherit;
        }
        .news-title a:hover {
            color: var(--gold);
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--line);
            font-size: 13px;
            color: var(--ink-2);
        }

        .read-more {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .read-more:hover {
            color: var(--gold);
        }

        .news-empty {
            background: var(--card-bg);
            border: 1px dashed var(--line);
            border-radius: var(--radius-md);
            min-height: 320px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--ink-2);
            font-size: 15px;
            gap: 12px;
            grid-column: 1 / -1;
        }

        .news-empty svg {
            width: 40px;
            height: 40px;
            stroke: var(--line);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 17px;
            padding: 15px 40px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }

        .cta-btn:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
        }

        .cta-note {
            font-size: 13px;
            color: var(--gold-light);
            margin-top: 16px;
            opacity: 0.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h3 .logo-dot {
            width: 24px;
            height: 24px;
            background: var(--gold);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary-dark);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--gold);
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* ===== Reveal Animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 72px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .stat-item:nth-child(2)::after {
                display: none;
            }

            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-card.main-card {
                grid-column: span 2;
            }

            .about-wrap {
                gap: 40px;
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-left ul,
            .nav-right ul {
                gap: 16px;
            }

            .nav-left a,
            .nav-right a {
                font-size: 14px;
            }

            .hero {
                padding: 60px 0 60px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-visual img {
                height: 280px;
            }

            .hero-visual::before,
            .hero-visual::after {
                display: none;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .featured-card.main-card {
                grid-template-columns: 1fr;
            }

            .featured-card.main-card .card-body {
                padding: 20px;
            }

            .about-wrap {
                grid-template-columns: 1fr;
            }

            .about-img img {
                height: 280px;
            }

            .orbit-slide {
                padding: 0 20px;
            }

            .orbit-quote {
                font-size: 17px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }

            .site-header {
                height: 64px;
            }

            .nav-wrap {
                height: 64px;
                padding: 0 16px;
            }

            .nav-left ul,
            .nav-right ul {
                display: none;
            }

            .nav-logo {
                position: static;
                transform: none;
                margin: 0;
            }

            .nav-logo a {
                font-size: 18px;
            }

            .menu-toggle {
                display: flex;
            }

            .hero {
                padding: 48px 0;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-btns {
                flex-direction: column;
                width: 100%;
            }

            .btn-gold,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .hero-visual {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-num {
                font-size: 32px;
            }

            .featured-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }

            .featured-card.main-card {
                grid-column: span 1;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .orbit-controls button {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }

            .news-card .news-thumb img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B3B2C;
            --primary-dark: #07271D;
            --primary-light: #1C5C47;
            --gold: #C6A15B;
            --gold-light: #E6CFA0;
            --bg: #F6F3EC;
            --bg-dark: #0D1110;
            --card-bg: #FFFFFF;
            --ink: #14211C;
            --ink-2: #53625B;
            --line: rgba(11, 59, 44, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 8px rgba(11, 59, 44, 0.06), 0 12px 28px rgba(11, 59, 44, 0.08);
            --shadow-hover: 0 0 0 1px rgba(198, 161, 91, 0.3), 0 18px 40px rgba(11, 59, 44, 0.12);
            --transition: 0.2s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (min-width: 641px) {
            .container {
                padding: 0 32px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 243, 236, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            height: 72px;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            border-radius: 6px;
            position: relative;
            transition: color var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link:hover {
            color: var(--primary-light);
        }

        .nav-link.active {
            color: var(--gold);
            font-weight: 600;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--gold-light);
            font-size: 16px;
            font-weight: 800;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            color: var(--primary);
            align-items: center;
            justify-content: center;
        }

        .menu-toggle:hover {
            background: rgba(11, 59, 44, 0.06);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            padding: 16px 24px;
            flex-direction: column;
            z-index: 99;
            box-shadow: 0 12px 28px rgba(11, 59, 44, 0.1);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid rgba(11, 59, 44, 0.06);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--gold);
        }

        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .brand-logo {
                margin: 0 auto;
            }

            .nav-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 17px;
            }

            .logo-dot {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

        /* ===== Banner 标题区 ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 88px 0 64px;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.35;
            mix-blend-mode: multiply;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
            opacity: 0.8;
        }

        .banner-inner {
            position: relative;
            z-index: 2;
        }

        .banner-breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .banner-breadcrumb a {
            color: var(--gold-light);
        }

        .banner-breadcrumb a:hover {
            color: #fff;
        }

        .page-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .banner-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 64px 0 48px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .banner-sub {
                font-size: 15px;
            }
        }

        /* ===== 图库式网格 ===== */
        .section-block {
            padding: 96px 0;
        }

        .section-block--light {
            background: var(--bg);
        }

        .section-block--white {
            background: #fff;
        }

        .section-head {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: rgba(198, 161, 91, 0.15);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--ink-2);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .gallery-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .gallery-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .gallery-card .card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        .gallery-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .gallery-card:hover .card-img img {
            transform: scale(1.03);
        }

        .gallery-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .gallery-card .card-badge {
            display: inline-block;
            background: rgba(198, 161, 91, 0.12);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .gallery-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .gallery-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.65;
            flex: 1;
        }

        .gallery-card .card-link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .gallery-card .card-link:hover {
            color: var(--gold);
        }

        @media (max-width: 1024px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .section-block {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .gallery-card .card-body {
                padding: 16px;
            }

            .gallery-card h3 {
                font-size: 17px;
            }
        }

        /* ===== 特性对照表 ===== */
        .section-block--white {
            background: #fff;
        }

        .table-wrap {
            max-width: 1000px;
            margin: 0 auto;
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            background: var(--card-bg);
        }

        .compare-table thead th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            text-align: left;
            white-space: nowrap;
        }

        .compare-table tbody td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(11, 59, 44, 0.08);
            font-size: 14px;
            color: var(--ink);
            line-height: 1.6;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background: rgba(198, 161, 91, 0.05);
        }

        .compare-table td:first-child {
            font-weight: 600;
            color: var(--primary);
        }

        .compare-table td:last-child {
            color: var(--ink-2);
        }

        .compare-tag {
            display: inline-block;
            background: rgba(11, 59, 44, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
        }

        @media (max-width: 640px) {
            .table-wrap {
                border-left: none;
                border-right: none;
                border-radius: 0;
                box-shadow: none;
            }

            .compare-table {
                min-width: 640px;
            }
        }

        /* ===== 服务流程 ===== */
        .steps-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 96px 0;
            position: relative;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
        }

        .steps-section .container {
            position: relative;
            z-index: 2;
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 48px;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-item::after {
            content: '';
            position: absolute;
            top: 32px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), transparent);
        }

        .step-item:last-child::after {
            display: none;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold-light);
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 16px;
            font-family: "DIN Alternate", "Roboto", sans-serif;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 48px 24px;
            }

            .step-item::after {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .steps-section {
                padding: 64px 0;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .step-item p {
                max-width: 260px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            background: transparent;
            cursor: pointer;
            border: none;
            text-align: left;
            width: 100%;
        }

        .accordion-title .faq-icon {
            font-size: 22px;
            color: var(--gold);
            font-weight: 400;
            flex-shrink: 0;
            margin-left: 16px;
            transition: transform 0.3s ease;
        }

        .accordion-item.is-active .accordion-title .faq-icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--ink-2);
            line-height: 1.7;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        @media (max-width: 640px) {
            .faq-section {
                padding: 64px 0;
            }

            .accordion-title {
                padding: 16px 16px;
                font-size: 15px;
            }

            .accordion-content {
                padding: 0 16px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0a2e1f 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-sub {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            text-decoration: none;
        }

        .btn--gold {
            background: var(--gold);
            color: var(--primary-dark);
        }

        .btn--gold:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(198, 161, 91, 0.3);
        }

        .btn--outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn--outline:hover {
            border-color: var(--gold);
            color: var(--gold-light);
        }

        .cta-btn-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-note {
            font-size: 13px;
            color: var(--gold-light);
            margin-top: 20px;
            opacity: 0.8;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 56px 0;
            }

            .cta-title {
                font-size: 22px;
            }

            .btn {
                width: 100%;
                padding: 13px 20px;
            }

            .cta-btn-row {
                flex-direction: column;
                gap: 12px;
                max-width: 320px;
                margin: 0 auto;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo-dot {
            background: rgba(198, 161, 91, 0.2);
            color: var(--gold-light);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--gold-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-col ul a:hover {
            color: var(--gold-light);
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .footer-contact svg {
            color: var(--gold);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
        }

        .footer-social a:hover {
            border-color: var(--gold);
            color: var(--gold-light);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .site-footer {
                padding: 48px 0 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 进入动效 ===== */
        @media (prefers-reduced-motion: no-preference) {
            .reveal {
                opacity: 0;
                transform: translateY(12px);
                transition: opacity 0.5s ease, transform 0.5s ease;
            }

            .reveal.visible {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #0B3B2C;
            --primary-dark: #07271D;
            --primary-light: #1C5C47;
            --gold: #C6A15B;
            --gold-light: #E6CFA0;
            --bg: #F6F3EC;
            --bg-dark: #0D1110;
            --card-bg: #FFFFFF;
            --ink: #14211C;
            --ink-2: #53625B;
            --line: rgba(11, 59, 44, 0.12);
            --r-sm: 6px;
            --r-md: 12px;
            --r-lg: 20px;
            --shadow: 0 2px 8px rgba(11, 59, 44, 0.06), 0 12px 28px rgba(11, 59, 44, 0.08);
            --shadow-hover: 0 0 0 1px rgba(198, 161, 91, 0.3), 0 18px 40px rgba(11, 59, 44, 0.12);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Roboto", sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html,
        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--ink);
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--gold);
        }
        button {
            font-family: var(--font-cn);
            cursor: pointer;
        }
        input,
        textarea {
            font-family: var(--font-cn);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 243, 236, 0.94);
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--line);
            height: 72px;
        }
        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 50%;
            margin-top: -16px;
            white-space: nowrap;
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .logo-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 800;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav-left {
            margin-right: auto;
            padding-left: 0;
        }
        .header-nav-right {
            margin-left: auto;
            padding-right: 0;
        }
        .nav-link {
            position: relative;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            border-radius: var(--r-sm);
            transition: color .2s;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s;
        }
        .nav-link:hover {
            color: var(--gold);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--gold);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--line);
            border-radius: var(--r-sm);
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }
        .nav-toggle svg {
            width: 22px;
            height: 22px;
        }
        .mobile-menu {
            display: none;
            background: var(--bg);
            border-top: 1px solid var(--line);
            padding: 12px 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-link {
            display: block;
            padding: 14px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid rgba(11, 59, 44, 0.06);
        }
        .mobile-link:last-child {
            border-bottom: 0;
        }
        .mobile-link.active {
            color: var(--gold);
            font-weight: 600;
        }

        /* ===== Page Hero (narrow banner for article) ===== */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #124B38 100%);
            background-size: cover;
            background-position: center;
            padding: 48px 0 40px;
            color: #fff;
        }
        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: 0.14;
            mix-blend-mode: overlay;
        }
        .article-hero * {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 12px;
        }
        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color .2s;
        }
        .article-hero .breadcrumb a:hover {
            color: var(--gold-light);
        }
        .article-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            margin: 0 2px;
        }
        .article-hero .breadcrumb .current {
            color: var(--gold-light);
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Main ===== */
        .article-main-wrap {
            padding: 56px 0 24px;
        }
        .article-box {
            max-width: 820px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--r-lg);
            box-shadow: var(--shadow);
            padding: 48px 56px;
        }
        .article-title {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 20px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            color: var(--ink-2);
            font-size: 14px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 32px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item svg {
            width: 14px;
            height: 14px;
            stroke: var(--gold);
        }
        .meta-cat {
            display: inline-block;
            background: rgba(198, 161, 91, 0.12);
            color: var(--gold);
            border-radius: var(--r-sm);
            padding: 2px 10px;
            font-size: 13px;
            font-weight: 600;
        }

        /* ===== Article Content typography ===== */
        .article-content {
            font-size: 17px;
            line-height: 1.85;
            color: #26362e;
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--gold);
        }
        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin: 32px 0 12px;
        }
        .article-content p {
            margin: 0 0 18px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 18px;
            padding-left: 26px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            margin: 24px 0;
            padding: 16px 24px;
            background: rgba(198, 161, 91, 0.07);
            border-left: 4px solid var(--gold);
            border-radius: 0 var(--r-md) var(--r-md) 0;
            color: var(--ink-2);
            font-style: normal;
        }
        .article-content img {
            border-radius: var(--r-md);
            margin: 24px auto;
            box-shadow: var(--shadow);
        }
        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid var(--gold);
        }
        .article-content a:hover {
            color: var(--gold);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content table th,
        .article-content table td {
            padding: 10px 14px;
            border: 1px solid var(--line);
            text-align: left;
        }
        .article-content table th {
            background: rgba(11, 59, 44, 0.05);
            font-weight: 600;
            color: var(--primary);
        }

        /* empty state */
        .article-empty {
            text-align: center;
            padding: 40px 0;
        }
        .article-empty p {
            font-size: 18px;
            color: var(--ink-2);
            margin-bottom: 16px;
        }
        .article-empty a {
            display: inline-block;
            padding: 10px 24px;
            border-radius: var(--r-md);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .article-empty a:hover {
            background: var(--primary-light);
            color: #fff;
        }

        /* back link */
        .article-back-row {
            max-width: 820px;
            margin: 24px auto 0;
            display: flex;
            justify-content: flex-end;
        }
        .back-to-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--primary);
            font-weight: 500;
            padding: 10px 20px;
            border: 1px solid var(--line);
            border-radius: var(--r-md);
            background: var(--card-bg);
            transition: border-color .2s, color .2s, box-shadow .2s;
        }
        .back-to-list:hover {
            border-color: var(--gold);
            color: var(--gold);
            box-shadow: 0 2px 8px rgba(198, 161, 91, 0.12);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 64px 0 72px;
            background: #F1EDE3;
        }
        .related-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            display: flex;
            flex-direction: row;
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--r-md);
            overflow: hidden;
            transition: box-shadow .2s, transform .2s;
            min-height: 160px;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card .rc-img {
            width: 120px;
            flex-shrink: 0;
            overflow: hidden;
            background: #E5DFD3;
        }
        .related-card .rc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s;
        }
        .related-card:hover .rc-img img {
            transform: scale(1.05);
        }
        .related-card .rc-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .rc-body .rc-cat {
            font-size: 12px;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .rc-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 6px;
            color: var(--ink);
        }
        .rc-body p {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.55;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== CTA Bar ===== */
        .cta-bar {
            position: relative;
            background: var(--primary-dark);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }
        .cta-bar::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-bar .container {
            position: relative;
            z-index: 1;
        }
        .cta-bar h2 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 24px;
            letter-spacing: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--r-md);
            font-size: 16px;
            font-weight: 600;
            line-height: 1;
            transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
            border: 1px solid transparent;
            text-decoration: none;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--primary-dark);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(198, 161, 91, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            border-color: var(--gold);
            color: var(--gold-light);
        }
        .cta-note {
            margin-top: 16px;
            font-size: 13px;
            color: var(--gold-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin: 0 0 16px;
        }
        .footer-brand .logo-dot {
            background: var(--gold);
            color: var(--primary-dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col ul a:hover {
            color: var(--gold-light);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0 0 12px;
        }
        .footer-contact svg {
            color: var(--gold);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .site-logo {
                position: static;
                transform: none;
                margin: 0 auto;
                font-size: 19px;
            }
            .header-inner {
                justify-content: flex-start;
            }
            .article-box {
                padding: 28px 24px;
                border-radius: var(--r-md);
            }
            .article-title {
                font-size: 26px;
            }
            .article-content {
                font-size: 16px;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 19px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 17px;
            }
            .logo-dot {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .article-hero {
                padding: 32px 0 28px;
            }
            .article-meta {
                gap: 6px 12px;
                font-size: 13px;
            }
            .related-card {
                flex-direction: row;
            }
            .related-card .rc-img {
                width: 100px;
            }
            .cta-bar h2 {
                font-size: 22px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量与Reset ===== */
        :root {
            --primary: #0B3B2C;
            --primary-dark: #07271D;
            --primary-light: #1C5C47;
            --gold: #C6A15B;
            --gold-light: #E6CFA0;
            --bg: #F6F3EC;
            --bg-dark: #0D1110;
            --card-bg: #FFFFFF;
            --ink: #14211C;
            --ink-2: #53625B;
            --line: rgba(11, 59, 44, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 8px rgba(11, 59, 44, 0.06), 0 12px 28px rgba(11, 59, 44, 0.08);
            --shadow-hover: 0 0 0 1px rgba(198, 161, 91, 0.3), 0 18px 40px rgba(11, 59, 44, 0.12);
            --space-section: 96px;
        }

        *, *::before, *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--ink);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "DIN Alternate", "Roboto", sans-serif;
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        button, input, select, textarea {
            font-family: inherit;
        }

        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1, h2, h3, h4 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 50px;
            padding: 0 30px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-gold {
            background: var(--gold);
            color: #1a1a1a;
            box-shadow: 0 4px 14px rgba(198, 161, 91, 0.35);
        }

        .btn-gold:hover {
            background: #d9b774;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(198, 161, 91, 0.45);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 243, 236, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 72px;
            position: relative;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            order: 0;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .logo-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--gold);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-left {
            margin-right: auto;
            justify-content: flex-end;
            order: -1;
        }

        .nav-right {
            margin-left: auto;
            justify-content: flex-start;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 72px;
            padding: 0 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-2);
            position: relative;
            transition: color .2s;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 20px;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            border-radius: 8px;
            background: var(--card-bg);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            padding: 0;
            position: absolute;
            right: 20px;
            top: 15px;
            z-index: 50;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .menu-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            padding: 12px 0 20px;
            box-shadow: 0 20px 30px rgba(11, 59, 44, 0.08);
            z-index: 99;
            flex-direction: column;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            height: 48px;
            display: flex;
            align-items: center;
            padding: 0 24px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid rgba(11, 59, 44, 0.06);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--gold);
            background: rgba(198, 161, 91, 0.06);
        }

        /* ===== 页面窄横幅 ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 70%);
            padding: 72px 0 96px;
            overflow: hidden;
            color: #fff;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), transparent 60%);
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--gold-light);
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 0;
        }

        @media (min-width: 768px) {
            .page-hero {
                padding: 88px 0 112px;
            }

            .page-hero h1 {
                font-size: 44px;
            }
        }

        /* ===== 通用section ===== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            background: rgba(198, 161, 91, 0.14);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: 24px;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--ink-2);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 36px;
            }
        }

        /* ===== 左右错位图文区 ===== */
        .split-block {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            margin-bottom: 48px;
        }

        .split-block:last-child {
            margin-bottom: 0;
        }

        .split-media {
            flex: 1 1 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .split-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .split-media:hover img {
            transform: scale(1.03);
        }

        .split-media::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, transparent 50%, rgba(198, 161, 91, 0.6) 50%);
            border-bottom-left-radius: 16px;
        }

        .split-content {
            flex: 1 1 380px;
        }

        .split-content .split-tag {
            display: inline-block;
            background: rgba(198, 161, 91, 0.14);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .split-content h2 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .split-content p {
            color: var(--ink-2);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .split-content .btn {
            margin-top: 8px;
        }

        @media (min-width: 768px) {
            .split-content h2 {
                font-size: 32px;
            }
        }

        .split-block.flip .split-media {
            order: 2;
        }

        .split-block.flip .split-content {
            order: 1;
        }

        @media (max-width: 767px) {
            .split-block.flip .split-media {
                order: 1;
            }

            .split-block.flip .split-content {
                order: 2;
            }

            .split-media img {
                height: 260px;
            }
        }

        /* ===== 目录式信息卡片列表 ===== */
        .directory-section {
            background: var(--card-bg);
        }

        .directory-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .directory-item {
            position: relative;
            padding: 36px 28px 36px 88px;
            border-bottom: 1px solid var(--line);
            transition: background .25s ease, box-shadow .25s ease;
            border-radius: 8px;
            margin-bottom: 4px;
        }

        .directory-item:last-child {
            border-bottom: none;
        }

        .directory-item:hover {
            background: #faf7f1;
            box-shadow: inset 4px 0 0 var(--gold);
        }

        .directory-num {
            position: absolute;
            left: 24px;
            top: 36px;
            font-family: "DIN Alternate", "Roboto", sans-serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
            letter-spacing: 1px;
        }

        .directory-body {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 12px 24px;
        }

        .directory-info {
            flex: 1 1 320px;
        }

        .directory-info h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .directory-info p {
            color: var(--ink-2);
            font-size: 15px;
            line-height: 1.75;
            margin: 0;
        }

        .directory-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 10px;
            padding-top: 4px;
        }

        .directory-tag {
            display: inline-block;
            background: rgba(198, 161, 91, 0.1);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(198, 161, 91, 0.2);
        }

        .directory-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color .2s;
        }

        .directory-link:hover {
            color: var(--gold);
        }

        .directory-link i {
            font-size: 12px;
            transition: transform .2s;
        }

        .directory-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 767px) {
            .directory-item {
                padding: 28px 20px 28px 68px;
            }

            .directory-num {
                left: 16px;
                top: 30px;
                font-size: 26px;
            }

            .directory-meta {
                align-items: flex-start;
                padding-left: 0;
                width: 100%;
            }
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-2);
            transition: all .25s ease;
            cursor: default;
        }

        .tag-item i {
            color: var(--gold);
            font-size: 13px;
        }

        .tag-item:hover {
            border-color: var(--gold);
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(198, 161, 91, 0.15);
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .25s ease;
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-title {
            background: var(--card-bg);
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 1px solid transparent;
            transition: color .2s;
            position: relative;
        }

        .faq-accordion .accordion-title::before {
            content: '+';
            position: absolute;
            right: 22px;
            font-size: 22px;
            font-weight: 400;
            color: var(--gold);
            transition: transform .3s;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::before {
            transform: rotate(45deg);
        }

        .faq-accordion .accordion-title:hover {
            color: var(--gold);
        }

        .faq-accordion .accordion-content {
            background: var(--card-bg);
            padding: 0 22px 20px;
            color: var(--ink-2);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--primary-dark);
            padding: 80px 0 72px;
            text-align: center;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .cta-note {
            font-size: 13px;
            color: var(--gold-light);
            margin-top: 16px;
        }

        @media (min-width: 768px) {
            .cta-content h2 {
                font-size: 34px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            padding-bottom: 44px;
        }

        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color .2s, padding-left .2s;
        }

        .footer-col ul a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
        }

        .footer-contact svg {
            color: var(--gold);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-link {
                padding: 0 12px;
                font-size: 14px;
            }

            .header-inner {
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 64px;
            }

            .site-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-inner {
                justify-content: center;
            }

            .brand-logo {
                font-size: 18px;
            }

            .logo-dot {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .btn {
                width: 100%;
                height: 46px;
                padding: 0 18px;
                font-size: 15px;
            }

            .btn + .btn {
                margin-top: 12px;
            }

            .split-block {
                gap: 28px;
            }

            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .page-hero {
                padding: 48px 0 64px;
            }

            .page-hero h1 {
                font-size: 30px;
                line-height: 1.25;
            }

            .hero-sub {
                font-size: 15px;
            }

            .directory-item {
                padding: 24px 16px 24px 60px;
            }

            .directory-num {
                left: 12px;
                font-size: 22px;
                top: 26px;
            }

            .cta-section {
                padding: 56px 0 48px;
            }

            .cta-content h2 {
                font-size: 22px;
            }
        }

        /* ===== 滚动进入动画 ===== */
        @media (prefers-reduced-motion: no-preference) {
            .reveal {
                opacity: 0;
                transform: translateY(16px);
                transition: opacity .6s ease, transform .6s ease;
            }

            .reveal.visible {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* ===== 焦点可见 ===== */
        a:focus-visible,
        button:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }